UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8mkc1iHuwPbWr5f7bWfJCpPuB6JWMnEHw1zcJQ2wCzM=' 
WHERE 
  key_id = '51689a78046f7d2c891530310cf5769c6c464999b74fa2e6b2f942871511c63f' 
  AND (
    token = '8mkc1iHuwPbWr5f7bWfJCpPuB6JWMnEHw1zcJQ2wCzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )